问题
选择题
Not until all the fish died in the water _____ how serious the pollution was.
A．did the villagers realize
B．the villagers realized
C．the villagers did realize
D．didn’t the villagers realize
答案
答案：A
题目分析:考查倒装句。Not until 放句首时，主句要用部分倒装语序，所以A选项正确。句意：直到水里所有的鱼都死了，村民们才意识到污染是多么的严重。